Zinc: The ancient used an alloy of Zn and Cu not very different from brass without knowing its actual composition. Zinc has been known in our country for a long time and has been mentioned in Ayurvedic treatises as yashda. It is commonly called jast.

Atomic mass: 65.37; Valence: 2

Atomic number: 30; Symbol: Zn

Position in the periodic table: Period Number -4, Group Number -12.

Occurrence

Zinc does not occur in the native form since it is a reactive metal. However, in the combined state, zinc is widely distributed.